Scientific Name
Artediellus uncinatus

Common Name
Arctic hookear sculpin

Biology
Dorsal spines (total): 7 - 8; Dorsal soft rays (total): 12-13; Anal spines: 0; Anal soft rays: 10 - 12. Caudal fin rounded. Light with dark, pale brown or reddish mottling; dorsal fin with small, roundish white blotches on a dark background, especially distinct in males; anal and pectoral fins with dark cross-bars; caudal fin with blotch on base (Ref. 4698).

Classification

Classified By

Reinhardt, 1834

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Sculpins (Cottidae)

Distribution

Region

Northwest Atlantic

Distribution

Northwest Atlantic: Labrador in Canada south to Cape Cod in Massachusetts, USA; around Greenland. Also Arctic Alaska westward to Point Barrow. Northeast Atlantic: Greenland.

Range

84°N - 42°N

Environment

Climate

Polar

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

13 m

Depth To - meters

598 m

Zone

demersal

Environment

Marine; demersal; depth range 13 - 598 m (Ref. 58426), usually 13 - 183 m (Ref. 5951)

Trophic Level

3.5 s.e. 0.37 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

10.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low to moderate vulnerability (28 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated